CLEAN : Nuclear: S Korea US Japan to step up pressure on N Korea

The video begins with an acknowledgment to an ambassador, followed by a discussion on the importance of enhancing pressure and sanctions on North Korea while keeping diplomatic options open. It also highlights the need to work with the international community to address human rights issues in North Korea. The video concludes with some miscellaneous remarks.

What is the significance of enhancing pressure and sanctions on North Korea?

What does the speaker imply about the diplomatic options regarding North Korea?